diff --git a/src/repstr/main.cpp b/src/repstr/main.cpp
index b247f5c..94c640c 100644
--- a/src/repstr/main.cpp
+++ b/src/repstr/main.cpp
@@ -28,12 +28,12 @@ int main(const int argc,const char *argv[]){
             }
             for(auto i: zt::Range((size_t)0,argv1.size())){
                 if(argv1[i]==be_replaced[0]){
-                    for(auto j: zt::Range((size_t)0,be_replaced.size())){
+                    for(auto j: zt::Range(be_replaced.size())){
                         if(argv1[i+j]!=be_replaced[j]){
                             goto out_of_match;
                         }
                     }
-                    for(auto j:zt::Range((size_t)0,be_replaced.size())){
+                    for(auto j:zt::Range(be_replaced.size())){
                         argv1[i+j]=to_replace[j];
                     }
                 }